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Warning: Undefined variable $QUERY in /home/s717/WWW/Special_topic/group/se.php on line 74

Fatal error: Uncaught ValueError: PDO::query(): Argument #1 ($query) cannot be empty in /home/s717/WWW/Special_topic/group/se.php:74 Stack trace: #0 /home/s717/WWW/Special_topic/group/se.php(74): PDO->query('') #1 {main} thrown in /home/s717/WWW/Special_topic/group/se.php on line 74